Trojan.Agent.FYO
Threat Scorecard
EnigmaSoft Threat Scorecard
EnigmaSoft Threat Scorecards are assessment reports for different malware threats which have been collected and analyzed by our research team. EnigmaSoft Threat Scorecards evaluate and rank threats using several metrics including real-world and potential risk factors, trends, frequency, prevalence, and persistence. EnigmaSoft Threat Scorecards are updated regularly based on our research data and metrics and are useful for a wide range of computer users, from end users seeking solutions to remove malware from their systems to security experts analyzing threats.
EnigmaSoft Threat Scorecards display a variety of useful information, including:
Popularity Rank: The ranking of a particular threat in EnigmaSoft’s Threat Database.
Severity Level: The determined severity level of an object, represented numerically, based on our risk modeling process and research, as explained in our Threat Assessment Criteria.
Infected Computers: The number of confirmed and suspected cases of a particular threat detected on infected computers as reported by SpyHunter.
See also Threat Assessment Criteria.
| Threat Level: | 80 % (High) |
| Infected Computers: | 1 |
| First Seen: | July 30, 2025 |
| Last Seen: | December 18, 2025 |
| OS(es) Affected: | Windows |
The detection of Trojan.Agent.FYO indicates that your system has been compromised by a potentially malicious program. This type of threat is generally categorized as a Trojan, which is a broad term for malware that disguises itself as legitimate software. Trojans can be used to gain unauthorized access to a system, steal sensitive information, or disrupt normal computer operation. It is essential to take immediate action to remove the threat and prevent further damage.
Table of Contents
What Is Trojan.Agent.FYO?
Trojan.Agent.FYO is a type of malware that can infect a computer system without the user's knowledge or consent. The exact nature and purpose of this specific threat are not well-defined, but it is likely designed to perform malicious activities such as data theft, system compromise, or exploitation. Trojans like Trojan.Agent.FYO can be spread through various means, including email attachments, infected software downloads, or exploited vulnerabilities in operating systems or applications.
How Trojan.Agent.FYO Operates
Once Trojan.Agent.FYO infects a system, it can operate in various ways, depending on its intended purpose. Some common behaviors of Trojans include creating backdoors for remote access, stealing sensitive information such as passwords or credit card numbers, or downloading and installing additional malware. They can also modify system settings, disable security software, or disrupt normal system operation to avoid detection. Understanding how Trojan.Agent.FYO operates is crucial for developing an effective removal strategy.
Symptoms of Infection
Identifying the symptoms of a Trojan.Agent.FYO infection can be challenging, as Trojans are designed to remain stealthy. However, some common indicators of a malware infection include slowed system performance, frequent crashes, or unexpected changes to system settings. Users may also notice unusual network activity, pop-ups, or unfamiliar programs installed on their system. If you suspect that your system has been infected with Trojan.Agent.FYO, it is essential to take immediate action to remove the threat.
How to Remove Trojan.Agent.FYO
- Boot your system in Safe Mode with Networking to prevent the malware from loading and to allow for internet access for downloading removal tools.
- Download and install a reputable anti-malware tool, such as SpyHunter, and perform a full system scan to detect and remove Trojan.Agent.FYO and any related malware.
- Uninstall any suspicious programs that may have been installed without your knowledge or consent, as these could be related to the Trojan.Agent.FYO infection.
- Reset your web browsers, including Chrome, Firefox, and Edge, to their default settings to remove any malicious extensions or settings that may have been installed by the malware.
- Reboot your system and perform another full scan with your anti-malware tool to ensure that all remnants of Trojan.Agent.FYO have been removed.
Conclusion
Removing Trojan.Agent.FYO from an infected system requires careful attention to detail and a systematic approach. By following the steps outlined above and using reputable anti-malware tools, you can effectively remove the threat and restore your system to a safe and secure state. Remember to always practice safe computing habits, such as avoiding suspicious email attachments and downloads, to prevent future malware infections. Regular system scans and updates can also help protect against emerging threats like Trojan.Agent.FYO.
Analysis Report
General information
| Family Name: | Trojan.Agent.FYO |
|---|---|
| Signature status: | No Signature |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
12c35b081ec556b2c911156d785d5c84
SHA1:
5259d5406427b034548e6d0e9722ab3900a77ceb
SHA256:
3C4B9897A0EFC615E3AEB6E3ACE73C5C8651690162EB8EAE2E9DD6D674E4A942
File Size:
290.30 KB, 290304 bytes
|
Windows Portable Executable Attributes
- File doesn't have "Rich" header
- File doesn't have resources
- File doesn't have security information
- File has exports table
- File has TLS information
- File is 64-bit executable
- File is either console or GUI application
- File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
- File is Native application (NOT .NET application)
- File is not packed
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- IMAGE_FILE_DLL is not set inside PE header (Executable)
- IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)
File Traits
- dll
- x64
Block Information
Block Information
During analysis, EnigmaSoft breaks file samples into logical blocks for classification and comparison with other samples. Blocks can be used to generate malware detection rules and to group file samples into families based on shared source code, functionality and other distinguishing attributes and characteristics. This section lists a summary of this block data, as well as its classification by EnigmaSoft. A visual representation of the block data is also displayed, where available.| Total Blocks: | 562 |
|---|---|
| Potentially Malicious Blocks: | 159 |
| Whitelisted Blocks: | 403 |
| Unknown Blocks: | 0 |
Visual Map
? - Unknown Block
x - Potentially Malicious Block
Similar Families
Similar Families
This section lists other families that share similarities with this family, based on EnigmaSoft’s analysis. Many malware families are created from the same malware toolkits and use the same packing and encryption techniques but uniquely extend functionality. Similar families may also share source code, attributes, icons, subcomponents, compromised and/or invalid digital signatures, and network characteristics. Researchers leverage these similarities to rapidly and effectively triage file samples and extend malware detection rules.- Agent.FYO
Windows API Usage
Windows API Usage
This section lists Windows API calls that are used by the samples in this family. Windows API usage analysis is a valuable tool that can help identify malicious activity, such as keylogging, security privilege escalation, data encryption, data exfiltration, interference with antivirus software, and network request manipulation.| Category | API |
|---|---|
| Syscall Use |
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